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The primrose species {pubescens) was first noticed by us in Southern 
Illinois, April 4, on the primrose along the borders of strawberry 
fields, where it was found in copula at that date, and also on the 
16th and ltth of the same month. Specimens transferred to breed- 
ing cages at Normal were also seen copulating as late as May l;] 
and 20. 
Confined in the breeding cage, these beetles ate freely of the 
leaves of the primrose, soon killing one of the plants exposed to them, 
but refused to touch the strawberry, those plants placed with them on 
the 19th April having been uninjured May 25. 
No eggs were found in our breeding cages, nor did any larva* 
develop in the jars of earth containing the plants on which the 
adults were feeding. The primrose species certainly hibernates as 
an adult, laying its eggs in spring, the old imagos living at least 
until midsummer; but the further life history is unknown. As its 
occurrence in strawberry fields may sometimes needlessly alarm the 
strawberry grower, the distinguishing characters of the species are 
worthy of mention. 
In nebulosus (from the strawberry) the form is thicker, the thorax 
more convex dorsally and less rugose at the sides, and the elytra much 
more closely punctured. Counting from the sutures to the humeral 
tuberosity there are seven or eight more or less distinct rows of : 
punctures in nebulosus, and about fifteen such rows in pubescens, 
